Toner Cartridges, Maintenance Kits and Parts

6 Items
Black Genuine Toner Cartridge High Yield, 5,000 pages
Cyan Genuine Toner Cartridge High Yield, 4,000 pages
Magenta Genuine Toner Cartridge High Yield, 4,000 pages
Yellow Genuine Toner Cartridge High Yield, 4,000 pages
Black Genuine Image Drum Standard Yield, 20000 (black), 5000 (color)
The Color LaserJet 2550 uses 5 toner cartridges — black: HP Q3960A; cyan: HP Q3961A, HP Q3971A; yellow: HP Q3962A; magenta: HP Q3963A.
HP Q3971A (HP 123A) prints 2000 pages, HP Q3961A (HP 122A) prints 4000 pages. Choose HP Q3961A (HP 122A) for high-volume printing (lower cost per page); HP Q3971A (HP 123A) costs less upfront for occasional use.
The HP Q3960A cartridge has an approximate yield of 5000 pages.
Approximate color cartridge yields: HP Q3961A (HP 122A, ~4000 pages), HP Q3962A (HP 122A, ~4000 pages), HP Q3963A (HP 122A, ~4000 pages), HP Q3971A (HP 123A, ~2000 pages).
Yes — the Color LaserJet 2550 uses a replaceable imaging drum: HP Q3964A (HP 122A).
When the Color LaserJet 2550 reports "Supply Problem", it usually just can't communicate with one cartridge's chip. Give the printer a full power-cycle, take out and firmly reinsert the flagged cartridge, and lightly buff its metal contacts with a dry, lint-free cloth. If the message stays, install a new cartridge in the reported colour.